I am using Java wrapper Tess4J. Using following code to retrieve the font
type and font size from an image. The image contains "Arial" font text and
font size is 48. The code is returning font type as
font: DejaVu_Sans_Ultra-Light, size: 13
Code:
* public**static* *void* testResultIterator() *throws* Exception {
String *datapath* = "tessdata";
String *language* = "eng";
String *expOCRResult* = "The (quick) [brown] {fox} jumps!\nOver the
$43,456.78 <lazy> #90 dog";
TessAPI1.TessBaseAPI handle;
handle = TessAPI1.*TessBaseAPICreate*();
System.*out*.println("TessBaseAPIGetIterator");
String lang = "eng";
File tiff = *new* File("C:\\1\\CaptureArial.JPG");
BufferedImage image = ImageIO.*read*(*new* FileInputStream(tiff)); //
require *jai*-*imageio* *lib* to read TIFF
ByteBuffer buf = ImageIOHelper.*convertImageData*(image);
*int* bpp = image.getColorModel().getPixelSize();
*int* bytespp = bpp / 8;
*int* bytespl = (*int*) Math.*ceil*(image.getWidth() * bpp / 8.0);
TessAPI1.*TessBaseAPIInit3*(handle, "tessdata", lang);
TessAPI1.*TessBaseAPISetPageSegMode*(handle, TessAPI1.TessPageSegMode.
*PSM_AUTO*);
TessAPI1.*TessBaseAPISetImage*(handle, buf, image.getWidth(),
image.getHeight(), bytespp, bytespl);
TessAPI1.*TessBaseAPIRecognize*(handle, *null*);
TessAPI1.TessResultIterator ri = TessAPI1.*TessBaseAPIGetIterator*(handle);
TessAPI1.TessPageIterator pi = TessAPI1.*TessResultIteratorGetPageIterator*
(ri);
TessAPI1.*TessPageIteratorBegin*(pi);
System.*out*.println("Bounding boxes:\nchar(s) left top right bottom
confidence font-attributes");
// *int* height = image.getHeight();
*do* {
Pointer ptr = TessAPI1.*TessResultIteratorGetUTF8Text*(ri,
TessAPI1.TessPageIteratorLevel.*RIL_WORD*);
String word = ptr.getString(0);
TessAPI1.*TessDeleteText*(ptr);
*float* confidence = TessAPI1.*TessResultIteratorConfidence*(ri,
TessAPI1.TessPageIteratorLevel.*RIL_WORD*);
IntBuffer leftB = IntBuffer.*allocate*(1);
IntBuffer topB = IntBuffer.*allocate*(1);
IntBuffer rightB = IntBuffer.*allocate*(1);
IntBuffer bottomB = IntBuffer.*allocate*(1);
TessAPI1.*TessPageIteratorBoundingBox*(pi, TessAPI1.TessPageIteratorLevel.
*RIL_WORD*, leftB, topB, rightB, bottomB);
*int* left = leftB.get();
*int* top = topB.get();
*int* right = rightB.get();
*int* bottom = bottomB.get();
System.*out*.print(String.*format*("%s %d %d %d %d %f", word, left, top,
right, bottom, confidence));
// System.out.println(String.format("%s %d %d %d %d", *str*, left, height -
bottom, right, height - top)); // training box coordinates
IntBuffer boldB = IntBuffer.*allocate*(1);
IntBuffer italicB = IntBuffer.*allocate*(1);
IntBuffer underlinedB = IntBuffer.*allocate*(1);
IntBuffer monospaceB = IntBuffer.*allocate*(1);
IntBuffer serifB = IntBuffer.*allocate*(1);
IntBuffer smallcapsB = IntBuffer.*allocate*(1);
IntBuffer pointSizeB = IntBuffer.*allocate*(1);
IntBuffer fontIdB = IntBuffer.*allocate*(1);
String fontName = TessAPI1.*TessResultIteratorWordFontAttributes*(ri,
boldB, italicB, underlinedB,
monospaceB, serifB, smallcapsB, pointSizeB, fontIdB);
*boolean* bold = boldB.get() == TessAPI1.*TRUE*;
*boolean* italic = italicB.get() == TessAPI1.*TRUE*;
*boolean* underlined = underlinedB.get() == TessAPI1.*TRUE*;
*boolean* monospace = monospaceB.get() == TessAPI1.*TRUE*;
*boolean* serif = serifB.get() == TessAPI1.*TRUE*;
*boolean* smallcaps = smallcapsB.get() == TessAPI1.*TRUE*;
*int* pointSize = pointSizeB.get();
*int* fontId = fontIdB.get();
System.*out*.println(String.*format*(" font: %s, size: %d, font id: %d,
bold: %b," +
" italic: %b, underlined: %b, monospace: %b, serif: %b, smallcap: %b",
fontName, pointSize, fontId, bold, italic, underlined, monospace, serif,
smallcaps));
} *while* (TessAPI1.*TessPageIteratorNext*(pi,
TessAPI1.TessPageIteratorLevel.*RIL_WORD*) == TessAPI1.*TRUE*);
}
---------
Its the same code refered from
*http://sourceforge.net/p/tess4j/code/HEAD/tree/Tess4J_3/trunk/test/net/sourceforge/tess4j/TessAPI1Test.java#l447*
<http://sourceforge.net/p/tess4j/code/HEAD/tree/Tess4J_3/trunk/test/net/sourceforge/tess4j/TessAPI1Test.java#l447>
----
Any thoughts !
Image file attached for reference.
Thanks
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